Gustavo Alfonso Ayón Aguirre (born April 1, 1985) is a Mexican professional basketball player for Zenit Saint Petersburg of the VTB United League and the EuroLeague.
He also represents the senior Mexican national basketball team in international national team competitions.
Standing at a height of 6 ft 10 in (2.08 m), he plays at the center and power forward positions.
Ayon is a two-time All-EuroLeague Second Team selection.